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Minor cleanup

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This commit is contained in:
arookas 2016-02-01 06:23:59 -05:00
parent f00b7c4296
commit 9373c59c44
3 changed files with 4 additions and 8 deletions
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4
ssc/ast/nodes.expressions.cs
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@ -21,9 +21,7 @@ namespace arookas {
} }
static void CompileExpression(sunCompiler compiler, sunExpression expression, Stack<sunOperator> operatorStack) { static void CompileExpression(sunCompiler compiler, sunExpression expression, Stack<sunOperator> operatorStack) {
// this implementation assumes that the expression production child list alternates between operand and operator var stackCount = operatorStack.Count;
// we can safely assume this as the grammar "operand {binary_operator operand}" enforces it
int stackCount = operatorStack.Count;
foreach (var node in expression) { foreach (var node in expression) {
if (node is sunOperand) { if (node is sunOperand) {
var operand = node as sunOperand; var operand = node as sunOperand;

2
ssc/context.cs
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@ -199,10 +199,8 @@ namespace arookas {
mLocalStack.Push(mLocal++); mLocalStack.Push(mLocal++);
} }
public void PopLocal() { public void PopLocal() {
if (mLocalStack.Count > 0) {
mLocalStack.Pop(); mLocalStack.Pop();
} }
}
// system symbols // system symbols
void AddSystemSymbols() { void AddSystemSymbols() {